Format

Send to

Choose Destination
Virology. 2004 Mar 15;320(2):229-42.

The prophages of Lactobacillus johnsonii NCC 533: comparative genomics and transcription analysis.

Author information

1
Nestlé Research Center, Nestec Ltd., CH-1026 Lausanne, Switzerland.

Abstract

Two non-inducible, but apparently complete prophages were identified in the genome of the sequenced Lactobacillus johnsonii strain NCC 533. The 38- and 40-kb-long prophages Lj928 and Lj965 represent distinct lineages of Sfi11-like pac-site Siphoviridae unrelated at the DNA sequence level. The deduced structural proteins from Lj928 demonstrated aa sequence identity with Lactococcus lactis phage TP901-1, while Lj965 shared sequence links with Streptococcus thermophilus phage O1205. With the exception of tRNA genes, inserted between DNA replication and DNA packaging genes, the transcription of the prophage was restricted to the genome segments near both attachment sites. Transcribed genes unrelated to phage functions were inserted between the phage repressor and integrase genes; one group of genes shared sequence relatedness with a mobile DNA element in Staphylococcus aureus. A short, but highly transcribed region was located between the phage lysin and right attachment site; it lacked a protein-encoding function in one prophage.

PMID:
15016546
DOI:
10.1016/j.virol.2003.11.034
[Indexed for MEDLINE]
Free full text

Supplemental Content

Full text links

Icon for Elsevier Science
Loading ...
Support Center